General

  • Target

    797d18fdc2257084b4ef1d72567da313_JaffaCakes118

  • Size

    15.0MB

  • Sample

    241028-nz677swnfv

  • MD5

    797d18fdc2257084b4ef1d72567da313

  • SHA1

    d54a0fb342bb5ab844b86b922a8c7a5a8724168a

  • SHA256

    8c63222a0b3b7fc5f95f5e2210af53321011e5907a1b2400cf7a8eb35a935d59

  • SHA512

    c91cb7cf345e15897669aa0903974beaad66ee3e3b70ee50c523ea026fd6687720530ca5834b896e9fe1694171faec6c58b2709e2ac31a947d170e187eca90e7

  • SSDEEP

    393216:lLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLP:

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      797d18fdc2257084b4ef1d72567da313_JaffaCakes118

    • Size

      15.0MB

    • MD5

      797d18fdc2257084b4ef1d72567da313

    • SHA1

      d54a0fb342bb5ab844b86b922a8c7a5a8724168a

    • SHA256

      8c63222a0b3b7fc5f95f5e2210af53321011e5907a1b2400cf7a8eb35a935d59

    • SHA512

      c91cb7cf345e15897669aa0903974beaad66ee3e3b70ee50c523ea026fd6687720530ca5834b896e9fe1694171faec6c58b2709e2ac31a947d170e187eca90e7

    • SSDEEP

      393216:lLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLP:

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Tofsee family

    • Windows security bypass

    • Creates new service(s)

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks